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Finding the Fourth Proportional to 70,110.69, 96,752.01 and 43,242.45

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Solution

The fourth proportional to 70,110.69, 96,752.01 and 43,242.45 is: 59,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110.69 : 96,752.01 = 43,242.45 : x
  2. Step 2: Convert to fraction form
    70,110.69/96,752.01 = 43,242.45/x
  3. Step 3: Cross multiply
    70,110.69x = 96,752.01 × 43,242.45
  4. Step 4: Simplify right side
    70,110.69x = 4,183,793,954.82
  5. Step 5: Solve for x
    x = 4,183,793,954.82/70,110.69
  6. Step 6: Final answer
    x = 59,674.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.